ella3714

12.02.2021 • 

Mathematics

Students from three grade levels were surveyed about their use of school buses. The results of the survey are shown in the table. Grade 10Grade 11Grade 12TotalUses School Buses34273394Does Not Use School Buses16231756Total505050150 QuestionChoose ,begin emphasis,all,end emphasis, of the statements that can be inferred from the data in the table.

Ответ:

Roquelle6301

18.12.2021

Mathematics

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x = 9

y = 14

step-by-step explanation:

we have to solve the system of equations given as

y = 2x - )

y = x + 5 )

by equating the equations (1) and (2)

2x - 4 = x + 5

2x = x + 5 + 4

2x = x + 9

2x - x = 9

x = 9

by putting x = 9 in equation (1)

y = 2 × 9 - 4

  = 18 - 4

y = 14

we can calculate the value by graphing these equations.

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